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Apple Watch Series 2 42mm
Compare Apple Watch Series 2 42mm and vivo X21

Apple Watch Series 2 42mm vs vivo X21

Apple Watch Series 2 42mm
Apple Watch Series 2 42mm
vivo X21
vivo X21
Apple Watch Series 2 42mm
vivo X21
  • Network
  • 2G network
    N/A
    GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
  • 3G network
    -
    HSDPA 850, 900, 1900, 2100
  • 4G network
    -
    LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
  • HSPA speed
    -
    HSPA
  • LTE speed
    -
    LTE
  • GPRS
    No
    Yes
  • EDGE
    No
    Yes
  • Availability
  • Oficially announced
    2016-9
    2018-3
  • Status
    -
    2018
  • Design
  • Build
    Stainless Steel/Ceramic back
    Front glass, aluminum body
  • SIM
    No
    Hybrid Dual SIM (Nano-SIM, dual stand-by)
  • Height
    42.5 mm
    154.5 mm
  • Width
    36.4 mm
    74.8 mm
  • Thickness
    11.4 mm
    7.4 mm
  • Weight
    52.4 g
    156.2 g
  • Waterproof
    50m
    -
  • Colors
    Sport band: silver case/white, black case/black; Leather band: silver case/blue, brown, orange; Stainless Steel band: silver case/silver, black case/black
    Aurora White, Black, Ruby Red
  • Display
  • Display type
    AMOLED capacitive touchscreen
    Super AMOLED capacitive touchscreen
  • Physical size
    1.65 inches
    6.28 inches
  • Resolution
    390 x 312 pixels
    1080 x 2280 pixels
  • Pixel density
    303 ppi
    402 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Sapphire crystal glass
    -
  • Multitouch
    Yes
    Yes
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Dual-core
    Quad-core 2.2 GHz Kryo 260
  • CPU(second)
    quad-core 1.8 GHz Kryo 260
  • Chipset
    Apple S2
    Qualcomm SDM660 Snapdragon 660
  • GPU
    -
    Adreno 512
  • Memory RAM
    -
    6 GB
  • Internal storage
    -
    64, 128 GB
  • Memory card
    No
    microSD(uses second SIM slot)
  • Memory card max
    -
    256 GB
  • OS
  • OS
    watchOS 3.0
    Android 8.1 (Oreo)
  • Sound
  • 3.5mm jack
    No
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    Vibration; Ringtones
    Vibration; MP3, WAV ringtones
  • Earpiece
    -
    Yes
  • Multimedia
  • Radio
    No
    -
  • Radio FM
    -
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
  • WLAN WiFi Hotspot
    -
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
  • USB On-The-Go
    -
    Yes
  • Bluetooth
    v4.0
    v5.0
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    -
    Yes
  • NFC
    Yes
    -
  • GPS
    Yes
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • Features
  • Messaging SMS
    SMS(threaded view)
    SMS(threaded view)
  • Messaging MMS
    -
    MMS
  • Messaging Email
    Email
    Email
  • Messaging IM
    IM
    -
  • Messaging Push Email
    -
    Push Email
  • Messaging Push Mail
    Push Mail
    -
  • Java
    No
    -
  • Sensors
    Accelerometer, gyro, heart rate
    Fingerprint (rear-mounted), accelerometer, compass, proximity
  • Browser
  • HTML
    -
    HTML5
  • Browser
    No
    -
  • Battery
  • Battery type
    Li-Ion
    Li-Ion
  • Battery capacity
    -
    3200 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Fast battery charging
    -
    Yes
  • Main camera
  • Camera type
    -
    Dual
  • Main camera
    12 MP, f/1.8 , 1/2.5" , 1.4 µm
  • 5 MP, f/2.4
  • Primary camera resolution
    -
    4032 x 3024 pixels
  • Primary camera video
    -
    1080p@30fps
  • Primary camera Autofocus
    -
    dual pixel phase detection autofocus
  • Primary camera flash
    -
    LED flash
  • Camera features
    -
    Geo-tagging, HDR, face detection, panorama, touch focus
  • Selfie camera
  • Selfie camera
    12 MP, f/2.0
  • Selfie camera resolution
    -
    4032 x 3024 pixels
  • Selfie camera video
    -
    1080p@30fps

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